Home / 118,806.48-178,180.56-52,263.36

Finding the Fourth Proportional to 118,806.48, 178,180.56 and 52,263.36

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Solution

The fourth proportional to 118,806.48, 178,180.56 and 52,263.36 is: 78,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,806.48 : 178,180.56 = 52,263.36 : x
  2. Step 2: Convert to fraction form
    118,806.48/178,180.56 = 52,263.36/x
  3. Step 3: Cross multiply
    118,806.48x = 178,180.56 × 52,263.36
  4. Step 4: Simplify right side
    118,806.48x = 9,312,314,752.28
  5. Step 5: Solve for x
    x = 9,312,314,752.28/118,806.48
  6. Step 6: Final answer
    x = 78,382.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.